Video Extensometer-Tensile Testing of Steel Rod, ISO 6892-1, ASTM A370, ASTM E8

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No need any special preparations on samples such as markings and paintings, directly load sample onto grips and start test.
Univer Quantum-2 Series Video Extensometer automatically calculates:

Average diameter over the parallel length
Young's Modulus
Yield strength
Rp (strength at plastic extenstion)
Elongation at maximum force
Elongation after break
Area reduction
....
And more which are related to axial and lateral strain